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The Seagnat Control System (sometimes spelled SeaGnat or Sea Gnat) is a decoy system used on many NATO warships to safeguard against incoming missiles. Each unit consists of six launchers that can be loaded with different rounds, depending on the threat: *Mk214 Seduction Chaff *Mk216 Distraction Chaff *Mk245 "GIANT" IR Round *Mk251 "siren" Active Decoy Round (only on later "DLH" versions) The rounds are launched as decoys to trick incoming missiles into missing the ship or to prematurely detonating. The Active Decoy Round has three phases: a low g rocket motor to project it away from the ship, a drogue to slow the round, and a para-sail wing that allows the decoy to slowly maneuver as it descends to the water. The device is 125mm diameter by 1m long. It is powered by a thermal battery and its on-board computer allows the transmitters to radiate in either deception mode or noise (smart or barrage). Range is up to 500m from the ship. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Seagnat」の詳細全文を読む スポンサード リンク
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